22.a. Which of the following statements describes the change of specific gravity during battery charging? A. The specific gravity increases faster than the state of charge. B. The specific gravity lags behind the state of charge. C. The change in specific gravity with time is directly proportional to the amount of charge. D. A hydrometer reading shows the true state of charge when taken shortly after charging has begun. 22.b. The purpose of the vent on the top of a lead-acid cell is to A. permit the gas to escape during charging. B. add water to the cells. C. trap the hydrogen gas generated during charging. D. remove the sediment developed during charging.
22.a. Which of the following statements describes the change of specific gravity during battery charging? A. The specific gravity increases faster than the state of charge. B. The specific gravity lags behind the state of charge. C. The change in specific gravity with time is directly proportional to the amount of charge. D. A hydrometer reading shows the true state of charge when taken shortly after charging has begun. 22.b. The purpose of the vent on the top of a lead-acid cell is to A. permit the gas to escape during charging. B. add water to the cells. C. trap the hydrogen gas generated during charging. D. remove the sediment developed during charging.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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22.a. Which of the following statements describes the change of specific gravity during battery charging?
A. The specific gravity increases faster than the state of charge.
B. The specific gravity lags behind the state of charge.
C. The change in specific gravity with time is directly proportional to the amount of charge.
D. A hydrometer reading shows the true state of charge when taken shortly after charging has begun.
22.b. The purpose of the vent on the top of a lead-acid cell is to
A. permit the gas to escape during charging.
B. add water to the cells.
C. trap the hydrogen gas generated during charging.
D. remove the sediment developed during charging.
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